soc/amd/cezanne: Add GRXS and GTXS method

Add GRXS and GTXS support. Move the gpio method into common place.

Signed-off-by: Eric Lai <ericr_lai@compal.corp-partner.google.com>
Change-Id: I8ba377179d6976cf26ed0dc521d8e4eff051dc85
Reviewed-on: https://review.coreboot.org/c/coreboot/+/52202
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>

src/soc/amd/picasso/Kconfig

@@ -27,6 +27,7 @@ config CPU_SPECIFIC_OPTIONS
 	select SOC_AMD_COMMON
 	select SOC_AMD_COMMON_BLOCK_ACPI
 	select SOC_AMD_COMMON_BLOCK_ACPIMMIO
+	select SOC_AMD_COMMON_BLOCK_ACPI_GPIO
 	select SOC_AMD_COMMON_BLOCK_AOAC
 	select SOC_AMD_COMMON_BLOCK_APOB
 	select SOC_AMD_COMMON_BLOCK_BANKED_GPIOS